Assessment of Indoor Environmental Quality in Budget Hotels Using Text-Mining Method: Case Study of Top Five Brands in China

Guests’ evaluation of indoor environmental quality (IEQ) is important for identifying environment problems in hotels and improving service quality. This paper aims to identify IEQ budget China improve them. Specifically, 2.06 million online reviews were used assess issues China’s four areas: acoustic environment, luminous air (IAQ) thermal environment. The influences the season, region type customers on also explored, main causes identified. research results show that complaint rates are relatively high. In particular, complaints about more common. Differences seasons climate zones have significant effects IAQ. Different types different concerns hotel IEQ, among which solo travelers traveling couples higher requirements IEQ. occurrence significantly reduces a hotel’s rating, with IAQ having greatest impacts, but causal factors trigger concentrated. findings this can provide reference assessing buildings guide managers adopt targeted improvement programs promote sustainable development industry.